APA (7 ম সংস্করণ) উদ্ধৃতি

(1933). Centralized purchasing and distribution of school supplies / by Timon Covert.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Centralized Purchasing and Distribution of School Supplies / by Timon Covert. 1933.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Centralized Purchasing and Distribution of School Supplies / by Timon Covert. 1933.